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GMC Yukon XL GMT900 (3rd Generation)

2007–2014 · GMT932 · suv

Third-generation Yukon XL on the GMT900 platform (mechanical twin to Suburban; upscale styling and the Denali trim are the differentiators). 5.3L V8 standard, 6.0L L96 V8 on heavier-duty trims, 6.2L L94 on Denali. 6-speed automatic across the range.

Watch out: 5.3L V8 AFM lifter failure is the GMT900 family-wide issue — collapsed lifter destroys a cam lobe; $3,000-$5,000 repair.

Full clubhouse — owner Garage Lineage, common problems, year-by-year notes, and product picks — is on the build list.

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